2022 ICD-10-CM Code R99

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code R99:

Inclusion Terms

• Death (unexplained) NOS
• Unspecified cause of mortality

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code R99 are found in the index:

• - Cot death - R99

• - Crib death - R99

• - Death (cause unknown) (of) (unexplained) (unspecified cause) - R99

• - Syndrome - See Also: Disease;
  • - crib death - R99

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Accidental death
• Accidental death in home
• Accidental death in industrial place
• Accidental death in public place
• Accidentally killed
• Adverse incident outcome categories
• Adverse incident resulting in death
• Anesthetic death
• Anesthetic death
• Antepartum maternal death
• Autopsy pending
• Autopsy performed
• Blood drug level high
• Blood drug levels - finding
• Dead
• Dead - death without witness
• Dead - expected
• Dead - sudden death
• Dead - suspicious death
• Dead - unexpected
• Dead on arrival at hospital
• Death
• Death by asphyxiation
• Death by fire
• Death by hanging
• Death by immolation
• Death due to chemotherapy toxicity
• Death due to radiotherapy toxicity
• Death due to trampling
• Death during anesthetic induction
• Death from any obstetric cause occurring more than 42 days but less than one year after delivery
• Death from direct obstetric cause occurring more than 42 days but less than one year after delivery
• Death from indirect obstetric cause occurring more than 42 days but less than one year after delivery
• Death from overwork
• Death from sequela of direct obstetric cause
• Death from sequela of indirect maternal cause
• Death in home
• Death in hospice
• Death in hospital
• Death in hospital-based emergency department
• Death in hospital-based emergency department or outpatient department
• Death in hospital-based outpatient department
• Death in less than 24 hours from onset of symptoms
• Death in long term care facility
• Death in nursing home
• Death in nursing home or long term care facility
• Death of unknown cause
• Death of unknown cause
• Death unattended by physician
• Died at home
• Died during operation
• Died in ambulance
• Died in care home
• Died in community hospital
• Died in general practice premises
• Died in hospice
• Died in hospital
• Died in learning disability unit
• Died in mental health unit
• Died in nursing home
• Died in street
• Died in usual place of residence
• Died without sign of disease
• Direct maternal death
• Early neonatal death
• ECOG performance status - grade 5
• ECOG performance status finding
• Found dead
• Found dead at accident site
• Found dead in bed
• GRACILE syndrome
• Iatrogenic death
• Iatrogenic death
• Indirect maternal death
• Infant death
• Instantaneous death
• Intraoperative death
• Intraoperative or immediately post-operative death in an ASA Class I patient
• Intrapartum maternal death
• Killed
• Late maternal death
• Late neonatal death
• Maternal death
• Maternal death - perinatal
• Natural death
• Natural death reportable to medicolegal authority
• Natural death with probable cause suspected
• Natural death with proved cause
• Natural death with proved cause by autopsy
• Natural death with proved cause without autopsy
• Natural death with unknown cause
• Neonatal death of female
• Neonatal death of female
• Neonatal death of male
• Neonatal death of male
• Newborn death
• Non-traffic vehicular accidental death
• Patient death associated with a fall while being cared for in a healthcare facility
• Patient death or serious disability associated with a burn incurred from any source while being cared for in a healthcare facility
• Patient death or serious disability associated with an electric shock while being cared for in a healthcare facility
• Patient death or serious disability associated with patient elopement for more than four hours
• Patient death or serious disability associated with the use of contaminated drugs, devices, or biologics provided by the healthcare facility
• Patient death or serious disability associated with the use of restraints or bedrails while being cared for in a healthcare facility
• Patient death or serious disability associated with the use or function of a device in patient care, in which the device is used or functions other than as intended
• Patient deceased during stay
• Patient status determination, deceased
• Patient status determination, deceased and body cremated
• Patient status determination, deceased and body donated
• Patient status determination, deceased and buried
• Patient status determination, deceased and entombed
• Patient status determination, deceased and removed from state
• Perinatal and neonatal death
• Perinatal and neonatal death
• Perinatal death
• Perioperative death
• Postmortem blood drug level increased
• Postmortem result
• Postmortem rigidity
• Postneonatal death
• Postoperative death
• Postpartum maternal death
• Postpartum maternal death
• Preoperative anesthetic death
• Serious reportable event associated with environment
• Serious reportable event associated with environment
• Serious reportable event associated with environment
• Serious reportable event associated with environment
• Serious reportable event associated with patient protection
• Serious reportable event associated with product or device
• Serious reportable event associated with product or device
• Sudden death
• Sudden death
• Sudden death of unknown cause during the puerperium
• Sudden death, cause unknown
• Sudden death, cause unknown
• Sudden infant death
• Sudden infant death syndrome
• Sudden infant death with dysgenesis of testes syndrome
• Sudden unexpected death in epilepsy
• Suspicious death
• Traffic vehicular accidental death
• Unattended death
• Unattended death of unknown cause
• Undetermined manner of death
• Undetermined manner of death, natural causes suspected
• Undetermined manner of death, suicide suspected
• Unexpected death
• Unexpected sudden death of adult
• Unexplained sudden death